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MOLECULAR ORBITAL THEORY

A

`C_2^(2-)` is expected to be diamagnetic

B

`O_2^(2+)` is expected to have a longer bond length than `O_2`

C

`N_2^+` and `N_2^-` have the same bond order

D

`He_2^+` has the same energy as two isolated He atoms

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The correct Answer is:
A, C
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